81861647

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1567}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 99348480

約数和(自身を除く): 17486833

約数列:

[1, 7, 17, 119, 439, 1567, 3073, 7463, 10969, 26639, 52241, 186473, 687913, 4815391, 11694521, 81861647]

約数ペア:

[(1, 81861647), (7, 11694521), (17, 4815391), (119, 687913), (439, 186473), (1567, 52241), (3073, 26639), (7463, 10969)]